Concerns O'Conor's general campaign and implementation of new regulation of presidios (1772); includes notes on troop movements; troop Inspections; harvest of auxiliary Indians effect on campaigns; detailed assignments for troops in expedition; organization of presidios of line; presidio constructions; manpower shortages in construction; nature of Indian warfare; proposed routes of expeditionary forces; aid of Opatas in Sonoran presidio constructions. (J. Williams, April 1987)